20 free points and will mark brainlist for the first persona here <3

The food services division of cedar river amusement park inc. is studying the amount families who visit the amusement park spend per day on food and drink. a sample of 40 families who visited the park yesterday revealed they spent the following amounts: see worksheet 1 for data and answer the following questions: a. organize the data into a frequency distribution, using seven classes and 15 as the lower limit of the first class. what class interval did you select? b. what percent of families spent less than $45? c. what percent of families spent $55 or more? d. how many families spent from $65 to 74.99?

Harmon inc. produces joint products l, m, and n from a joint process. information concerning a batch produced in may at a joint cost of $75,000 was as follows:

Saks fifth avenue wants to learn about its consumers' attitudes toward on-line purchases. there are numerous studies that are available about consumers and on-line buying, but saks believes its customers might be different from the usual on-line consumer profile, so they decide to conduct their own study. if saks were to use the available data about consumer attitudes, it would be using data; however, if saks does its own study it would collect data.